diff --git a/pyproject.toml b/pyproject.toml
index 81f7e9b..d80d6f7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ classifiers = [
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]
 dependencies = [
-    "fastmcp==3.4.7",
+    "fastmcp==4.0.1",
     "fastf1==3.8.3",
     "pydantic==2.13.5",
     "httpx[http2]==0.28.1",